Part 1: The Role of SIEM in the SOC (The Architectural View) In a mature SOC, the SIEM performs four critical architectural functions: 1. Telemetry Aggregation & Normalization (The Data Lake) 2. Correlation & Detection (The Brain) 3. Investigation & Forensics (The Time Machine) 4. Compliance & Reporting (The Audit Trail) Part 2: The Evolution

Part 1: The Attack Surface (Critical Ports & Architectural Rules) Instead of a basic list, here are the most critical ports categorized by their architectural domain, along with the “Golden Rules” for securing them. 1. Identity & Infrastructure (The Crown Jewels) These ports manage authentication, directory services, and remote administration. If an attacker compromises these,

Part 1: Port Scanning (Lab, Detection, and Architecture) A port scan is the digital equivalent of walking through a neighborhood checking which doors and windows are unlocked. It is the primary tool used in the Reconnaissance and Weaponization stages of the Cyber Kill Chain. 1. The Types of Scans (What the SOC is looking for)

The 7 Stages of the Cyber Kill Chain 1. Reconnaissance (Gathering Intel) 2. Weaponization (Creating the Payload) 3. Delivery (Transmitting the Payload) 4. Exploitation (Triggering the Vulnerability) 5. Installation (Establishing a Foothold) 6. Command and Control (C2) (Two-Way Communication) 7. Actions on Objectives (The Endgame) The Modern Evolution: Limitations of the Traditional Kill Chain As

1. Advanced Threat & Attack Terminology (What the SOC is hunting) Modern attackers rarely use noisy, easily detected malware. The SOC must be trained to spot subtle, sophisticated techniques. 2. Advanced Detection & Investigation Concepts (How the SOC works) These terms describe the methodology of modern, proactive security operations. 3. SOC Leadership & Management Terminology